- Main article: Warmaster Blackhorn
Above the Frozen Sea|
The Twilight Elite Dreadblades spawn in the first phase of the Warmaster Blackhorn encounter.
- Blade Rush — The Dreadblade charges at the location of a random distant player, inflicting Physical damage to all players in its path.
- Degeneration — The Dreadblade carves a swath of destruction with its dark sword. The sword inflicts Shadow damage to enemies in a frontal cone, and Shadow damage every 2 sec for 1 min. This effect stacks.